07-29-2021 Septic Design - Laserfiche WebLink

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0.45 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of 2.7 (minimum) (this must match the soil goring log) desired mound ratio 1 2.7 0percent site slope (0-20% range) F-31(% downslope site slope, if different than upslope) 26 inches, or 2.2 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) Treatment zone contains®inches of 0% soil credit, and =inches of 50% soil credit. Giving a: 12 inch, or 1.6 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) 0.6 ft. upslope and sideslope 17.0 ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 4:1 upslope ratio 10 ft. upslope berm 4:1 sideslope 13 ft. sideslope berms 4:1 downslope 21 ft. downslope berm Overall Dimensions UDSIODe berm 1 10 1.0 _ � 2. Lirriitini Condition L10.0 ft. wide by 50.0 ft. long Rock bed i41 ft. wide by 1 76 1 ft. long Mound footprint 4" inspection pipe r— 18" cover on top 21 12" cover on sides (6" loamy cap &6" topsoil; Clean sand lift Depth to Limiting _ Absorption Width 27.o I _----_ -�— — — — — -----_ Note: For 0 to 1% slopes, Absorption Width is measured from the Bedequally in both directions. For slopes >1%, Absorption Width is measured downhill from the upslope edge of the Berl. Rock Bed: 10.0 ft. by 50.0 ft. by ®inches under pipe, plus 20% gives =Ydj or *1.4= 24 ton Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 1$.0 up + 30.2 downslope + 7.$ ends + 21.3 under rock =F-93—]yd' or;1.4= 130 ton plus 20% Loamy Cap: 37 ft. by 72 ft. 6" deep, plus 20% gives Topsoil: 41 ft. by 76 ft. 6" deep, plus 20% gives 60 yds or 1.4= 84 ton 70 yds or 1.4= 98 ton I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. Rusty Olson's Soil ft Perc 810 4/14/2021 signer Signature Company License# Date